81. descend from

　　82. on condition that

　　83. model.... after....

　　84. be btoed on

　　85. look to sb to do sth

　　86. however much S + V; however many sth

　　87. believe (1) that + 从句 (2) sth to be sth (3) adj

　　88. apply to

　　89. attribute sth to; be attributed to

　　90. be consistent with